Brand: Sigma-Aldrich Synonyms 1-Methyl-2-pyrrolidone, N-Methyl-2-pyrrolidone, NMP Cas No. 872-50-4 Application 1-Methyl-2-pyrrolidinone may be used as a solvent in the following processes: Preparation of 2-aryl and 2-alkyl benzothiazoles. Ullmann coupling reaction of aryl halides and phenols to form Ullmann ethers in the presence of 2,2,6,6-tetramethylheptane-3,5-dione. Stille cross-coupling reaction of aryl iodides with organostannanes catalyzed by Pd/C in the presence of copper iodide as cocatalyst. Other Notes Pure-Pac® II containers require the Micromatic MacroValve coupler for dispensing solvents, Z560723. Legal Information Pure-Pac is a registered trademark of Merck KGaA, Darmstadt, Germany
